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  Low-impact portable exercise deviceRelated Patent Categories: Exercise Devices, User Manipulated Force Resisting Apparatus, Component Thereof, Or Accessory Therefor, Utilizing Resilient Force Resistance, And User Supplied Counter Force, Attached To UserThe Patent Description & Claims data below is from USPTO Patent Application 20070066459. Brief Patent Description - Full Patent Description - Patent Application Claims
FIELD OF THE INVENTION [0001] The present invention is in the field of exercise equipment and sports equipment. [0002] BACKGROUND OF THE INVENTION [0003] The marketplace offers a vast array of exercise products designed to build muscle strength, enhance cardiovascular fitness, and to bum fat. Most of these products are narrow in scope and function. In addition, many of these products are big and bulky, making it prohibitively difficult to bring to the office or on vacation. Moreover, many of these products are designed for younger people who have strong ligaments, tendons, and bones. [0004] For instance, one problem which inheres with many products is the fact that the muscle groups targeted are quite narrow. There abound many products designed solely for use with the bicep muscles. Others are designed only for use with forearm or hand muscles. The problem with an exercise device which only works a small muscle is that it ignores other larger and more important muscles such as the quadriceps, hamstrings, gluteus, and pectoral muscles. The muscle mass of these larger muscles is far more important than the smaller muscles because it greatly enhances balance, stability, and overall endurance for everyday normal tasks. [0005] Another problem is that most of the exercise devices used to target the larger muscles are oftentimes huge and bulky. It is not uncommon to find an exercise machine or apparatus which weighs over 300 pounds which is used for the development of major leg muscles. Therefore, if a user were to go on a three week vacation or a work assignment, the user would have to abstain from their workout program. When the user gets back from the vacation, he or she will have to start over again due to muscle atrophy. [0006] Another concomitant problem is cost. Most of these larger machines and apparatuses are out of reach for the budgets of most people. Several of these devices used to work on the larger muscles cost several thousands of dollars. [0007] Another problem with the prior art is that many exercise devices are really designed for younger people. An older person may be prohibited from using many devices because their skeletal and ligament infrastructures simply cannot tolerate such stress and because many of the devices are not adjustable for resistance. [0008] Another problem with the prior art for portable exercise devices is that many are constructed with a single center spring and no static center member to space dual axis arms. Therefore, the prior art devices have a limited range of motion which is a critical factor in exercise equipment. In addition, the single spring devices only have resistance in a single direction, which further limits the number of muscle groups that can be exercised. [0009] Therefore, what is needed in the art is a portable device used for exercising large and small muscles alike. Moreover, there is a need for a device which is enabled for variable resistance as well as bi-directional resistance and which is low-impact in design. SUMMARY OF THE INVENTION [0010] The present invention is a portable exercise device enabled for variable resistance as well as bi-directional resistance. In a preferred embodiment the exercise device comprises: a primary support strut, two lever arms, at least two resistance members; the primary support strut being an elongate member with two ends, both ends of the primary support strut being affixed with the lever arms, the resistance members affixed to the lever arms and the primary support strut. BRIEF DESCRIPTION OF THE DRAWING FIGURES [0011] FIG. 1 is a planar view of a preferred embodiment of the present invention. [0012] FIG. 2 is a planar view of a preferred embodiment of the present invention. [0013] FIG. 3 is a perspective view of a preferred embodiment of the present invention. [0014] FIG. 4 is a planar view of a preferred embodiment of the present invention. [0015] FIG. 5 is a planar view of a preferred embodiment of the present invention. [0016] FIG. 6 is a planar view of a preferred embodiment of the present invention. [0017] FIG. 7 is a planar view of a preferred embodiment of the present invention. DESCRIPTION OF PREFERRED EMBODIMENTS [0018] According to a preferred embodiment of the present invention, a unique apparatus and accompanying methods are used to exercise various muscles of a body. The apparatus and accompanying methods are described in enabling detail below. [0019] FIG. 1 illustrates a preferred embodiment of the present invention. FIGS. 2 and 3 illustrate most of the components of the present invention. Exercise device 100 includes the following components: primary support strut 101, lever arm 102, axis pin 103, resistance member 104, anchor bars 105, lever arm attachment 106, elastic fasteners 107, and handle 108. [0020] Exercise system 100 in a preferred embodiment is comprised of a lightweight metal for the primary support strut 101, the lever arms 102, the axis pins 103, the anchor bars 105, and the lever arm attachments 106. In a preferred embodiment said components are comprised of aluminum. The use of aluminum in a preferred embodiment is desirable because it has several desired features. First, it is lightweight which makes it expedient for the purposes of portability and for providing a low-impact battery of exercises. Second, aluminum is strong enough to withstand the substantial stress placed upon the infrastructure of the exercise system 100. Strength of the material is important for the present invention because a user will operate the exercise system 100 for many repetitions for the desired exercises. Continue reading... Full patent description for Low-impact portable exercise device Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Low-impact portable exercise device patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. 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